Answer

• Groundwork verification so that construction can be started 
  
• Determining how your code will be tested 
  
• Designing and writing classes and routines 
  
• Creating and naming variables and named constants 
  
• Selecting control structures and organizing blocks of statements 
  
• Unit testing, integration testing, and debugging your own code 
  
• Reviewing other team members’ low-level designs and code and having them review yours 
  
• Polishing code by carefully formatting and commenting it 
  
• Integrating software components that were created separately 
  
• Tuning code to make it faster and use fewer resources
  

Answer
Software construction focuses on the following activities from the most important one to the least one: